Give the slave the least elevation of religious sentiment, and he is not slave: you are the slave: he not only in his humility feels his superiority, feels that much deplored condition of his to be a fading trifle, but he makes you feel it too. He is the master.

When I was praised I lost my time, for instantly I turned around to look at the work I had thought slightly of, and that day I made nothing new.

No book was ever written down by any but itself.

Who shall forbid a wise skepticism, seeing that there is no practical question on which anything more than an approximate solution can be had?

Great men are sincere.

That which we do not call education is more precious than that which we call so.

If you want to be great and successful, choose people who are great and successful and walk side by side with them.